These entries are queried from radb.net using whois, you can try my project getting these.
:AS53126 route: 187.120.144.0/20 descr: Bloco de Ips cliente "Virtual" criado pela equipe da Durand do Brazil origin: AS53126 admin-c: Eduardo Fumes Parajo tech-c: Epafras Rezende Schaden mnt-by: MAINT-AS22356 changed: eduardo [at] durand.com.br 20160112 #08:40:06Z source: RADB last-modified: 2023-11-13T15:48:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source